1// Locale support -*- C++ -*- 2 3// Copyright (C) 1997, 1998, 1999, 2007, 2009 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// Under Section 7 of GPL version 3, you are granted additional 17// permissions described in the GCC Runtime Library Exception, version 18// 3.1, as published by the Free Software Foundation. 19 20// You should have received a copy of the GNU General Public License and 21// a copy of the GCC Runtime Library Exception along with this program; 22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23// <http://www.gnu.org/licenses/>. 24 25// 26// ISO C++ 14882: 22.1 Locales 27// 28 29// We don't use the C-locale masks defined in mingw/include/ctype.h 30// because those masks do not conform to the requirements of 22.2.1. 31// In particular, a separate 'print' bitmask does not exist (isprint(c) 32// relies on a combination of flags) and the '_ALPHA' mask is also a 33// combination of simple bitmasks. Thus, we define libstdc++-specific 34// masks here, based on the generic masks, and the corresponding 35// classic_table in ctype_noninline.h. 36 37_GLIBCXX_BEGIN_NAMESPACE(std) 38 39 /// @brief Base class for ctype. 40 struct ctype_base 41 { 42 // Non-standard typedefs. 43 typedef const int* __to_type; 44 45 // NB: Offsets into ctype<char>::_M_table force a particular size 46 // on the mask type. Because of this, we don't use an enum. 47 typedef unsigned short mask; 48 static const mask upper = 1 << 0; 49 static const mask lower = 1 << 1; 50 static const mask alpha = 1 << 2; 51 static const mask digit = 1 << 3; 52 static const mask xdigit = 1 << 4; 53 static const mask space = 1 << 5; 54 static const mask print = 1 << 6; 55 static const mask graph = (1 << 2) | (1 << 3) | (1 << 9); // alnum|punct 56 static const mask cntrl = 1 << 8; 57 static const mask punct = 1 << 9; 58 static const mask alnum = (1 << 2) | (1 << 3); // alpha|digit 59 }; 60 61_GLIBCXX_END_NAMESPACE 62